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Por favor, use este identificador para citar o enlazar este documento: https://ria.asturias.es/RIA/handle/123456789/10549
Título : A very simple analog control for QSW-ZVS source/sink buck converter with seamless mode transition
Autor : Martín, Kevin
Vázquez, Aitor
Arias, Manuel
Sebastián, Javier
Palabras clave : Electrónica de potencia
Fecha de publicación : 28-jun-2018
Editorial : IEEE
Citación : K. Martín, A. Vázquez, M. Arias, J. Sebastián, “A very simple analog control for QSW-ZVS source/sink buck converter with seamless mode transition” XIX IEEE Workshop on Control and Modeling for Power Electronics, (IEEE COMPEL 2018), Padua, 25-28 Junio 2018
Resumen : A simple, analog, control circuit is proposed for seamless transition between source and sink modes in a Quasi-Square-Wave Zero Voltage Switching (QSW-ZVS) source/sink buck converter. The inductor current is controlled by a variablewidth hysteretic current mode control. The upper and lower bounds of the hysteretic band are clamped to ensure QSW-ZVS operation with a single current command from the control loop and independently from the power flow direction. This enables the control of any PWM converter able to operate in QSW-ZVS with a single control loop. If the proposed circuit is used, using a complex multi-mode or look-up-table based digital control is no longer required, simplifying the implementation and lowering the cost of the converter. A 50 W buck converter is built to demonstrate the proposed control circuit and experimental measurements are shown to verify its correct operation.
URI : https://ria.asturias.es/RIA/handle/123456789/10549
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